<template>
  <div style="font-size: 12px;line-height: 60px;display: flex">
    <div style="flex: 1; text-align: left;">
      <span :class="collapseBtnClass" style="cursor: pointer;font-size: 18px" @click="collapse"></span>

      <el-breadcrumb separator="/" style="display: inline-block;margin-left: 10px;">
        <el-breadcrumb-item :to="'/'">首页</el-breadcrumb-item>
        <el-breadcrumb-item>{{ menu}}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <el-dropdown style="width: 100px; cursor: pointer;text-align: right">
      <div style="display: inline-block">
        <span>管理员</span><i class="el-icon-arrow-down" style="margin-left: 5px"></i>
      </div>
      <el-dropdown-menu slot="dropdown" style="width: 100px; text-align: center">
        <el-dropdown-item style="font-size: 14px; padding: 5px 0">
          <router-link to="/home/person" style="text-decoration: none;">个人信息</router-link>
        </el-dropdown-item>
        <el-dropdown-item style="font-size: 14px; padding: 5px 0">
          <span style="text-decoration: none" @click="logout">退出</span>
        </el-dropdown-item>
      </el-dropdown-menu>
    </el-dropdown>
  </div>
</template>

<script>
export default {
  name: 'HeaderView',
  props: {
    collapseBtnClass: String,
    user: Object
  },
  computed: {
    menu () {
      return this.$route.name// 需要监听的数据
    }
  },
  watch: { // 监听路由变化
    // '$route': function (){
    //   this.currentPathName = localStorage.getItem("currentPathName") //去除route里面设置的当前路由信息
    // }
    currentPathName (newVal, oldVal) {
      console.log(newVal)
    }
  },
  data () {
    return {
      // user: localStorage.getItem("user") ? JSON.parse(localStorage.getItem("user")) : {}
    }
  },
  methods: {
    collapse () {
      // this.$parent.$parent.$parent.$parent.collapse()  // 通过4个 $parent 找到父组件，从而调用其折叠方法
      this.$emit('asideCollapse')
    },
    logout () {
      this.$router.push('/')
      sessionStorage.removeItem('user')
      sessionStorage.removeItem('store')
      this.$message.success('退出成功')
    }
  }
}
</script>

<style scoped>

</style>
